The Collaborative International Dictionary of English v.0.48:

Stipitate \Stip"i*tate\, a. [NL. stipitatus, from L. stipes,
   gen. stipitis, a stock. See Stipe.] (Bot.)
   Supported by a stipe; elevated on a stipe, as the fronds of
   most ferns, or the pod of certain cruciferous plants.
   [1913 Webster]